Meet the NinjaLine kit: an obstacle course that lets you train like a ninja. It comes with 10″ x 2.5″ monkey fists, two piece 16″ monkey bar holds with safety carabiners, and two gymnastics rings. Just hang its 2″ slackline webbing between healthy trees and attach obstacles to carabiners.
This has a max weight capacity of 250 lbs. Costs under $100 at this time.